speedtest/example-basic.html at master · UKWebMedia/speedtest · GitHub

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<!DOCTYPE html>
<html>
<meta charset="UTF-8" />
<head>
    <title>HTML5 Speedtest</title>
</head>

<body>
    <h1>HTML5 Speedtest</h1>

    <h4>IP Address</h4>
    <p id="ip"></p>

    <h4>Download</h4>
    <p id="download"></p>

    <h4>Upload</h4>
    <p id="upload"></p>

    <h4>Latency</h4>
    <p id="ping"></p>

    <script type="text/javascript">
        var w = new Worker('speedtest_worker.min.js') // create new worker
        setInterval(function () { w.postMessage('status') }, 100) // ask for status every 100ms
        w.onmessage = function (event) { // when status is received, split the string and put the values in the appropriate fields
            var data = event.data.split(';') // string format: status;download;upload;ping (speeds are in mbit/s) (status: 0=not started, 1=downloading, 2=uploading, 3=ping, 4=done, 5=aborted)
            document.getElementById('download').textContent = data[1] + ' Mbit/s'
            document.getElementById('upload').textContent = data[2] + ' Mbit/s'
            document.getElementById('ping').textContent = data[3] + ' ms, ' + data[5] + ' ms jitter'
            document.getElementById('ip').textContent = data[4]
        }
        w.postMessage('start') // start the speedtest (default params. keep garbage.php and empty.dat in the same directory as the js file)
    </script>

	<a href="https://github.com/adolfintel/speedtest">Source code</a>

</body>
</html>